Three-dimensional wide-beam small-region rapid cavitating and imaging method of ultrasonic two-dimensional planar array

Abstract

The invention provides a three-dimensional wide-beam small-region rapid cavitating and imaging method of an ultrasonic two-dimensional planar array. According to the three-dimensional wide-beam small-region rapid cavitating and imaging method, a linear scanning way adopted by the conventional ultrasonic imaging technology is abandoned, but a single-time three-dimensional wide-beam imaging method is used, so that problems, existing in imaging of transient physical information, of time asynchrony and motion blur can be solved, and the imaging frame rate can reach 5kHz; furthermore, in allusion to the problem that single-transmission three-dimensional wide-beam rapid imaging signal-to-noise ratio is low, a multi-angle continuous three-dimensional wide beam is used for composite imaging, 5 spatial continuous different-angle three-dimensional wide beam transmissions, as an example, are used for cavitating composite imaging, and the imaging frame rate can still reach 1kHz.

Description

technical field [0001] The invention belongs to the technical field of ultrasonic detection and ultrasonic imaging, and specifically relates to an ultrasonic two-dimensional planar transducer array, and a small-area rapid cavitation imaging method based on a two-dimensional planar array's three-dimensional wide beam and composite three-dimensional wide beam. Background technique [0002] The development and progress of three-dimensional ultrasound technology has opened up a new field for non-invasive diagnostic technology. It can overcome the shortcomings of two-dimensional ultrasound space imaging and become an important auxiliary means of two-dimensional ultrasound technology. The progress of three-dimensional ultrasound is reflected in the ability to quickly store, process and display the three-dimensional images of volume image data, and to obtain multi-plane images. [0003] The three-dimensional imaging realized by the current three-dimensional ultrasound imaging syste...

AI Technical Summary

Problems solved by technology

Although the acoustic transmission of a single plane wave provides a fast imaging solution, the existence of random diversity noise, echo artifacts, shadows, etc., can easily cause image quality degradation

Subsequently, the group proposed a one-dimensional linear array-based plane wave composite fast ultrasonic imaging method for the detection and imaging of cavitation nucleation. It uses coherent wave composite at different angles to improve the imaging signal-to-noise ratio, but at the expense of part of the imaging frame rate. The cost of this imaging scheme

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